:root {
      --primary-color: #ffcc00; /* Vàng rực rỡ */
      --secondary-color: #3366ff; /* Xanh đậm */
      --dark-background: #1a1a1a; /* Nền tối */
      --light-text: #ffffff; /* Chữ sáng */
      --gray-text: #cccccc; /* Chữ xám */
      --accent-red: #e74c3c; /* Đỏ nhấn */
      --border-color: #333333; /* Màu viền */
      --header-offset: 122px; /* Default offset, will be overridden by shared.css */
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--light-text);
      background-color: var(--dark-background);
      margin: 0;
      padding-top: var(--header-offset); /* Ensure content starts below fixed header */
      overflow-x: hidden;
    }

    /* Base styles for the page-fe-88 content */
    .page-fe-88 {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-fe-88__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-fe-88__section--dark {
      background-color: #222222;
    }

    .page-fe-88__section-title {
      font-size: 2.5em;
      color: var(--primary-color);
      margin-bottom: 20px;
      text-transform: uppercase;
      font-weight: bold;
    }

    .page-fe-88__section-subtitle {
      font-size: 1.2em;
      color: var(--gray-text);
      margin-bottom: 40px;
    }

    /* Hero Section */
    .page-fe-88__hero-section {
      position: relative;
      overflow: hidden;
      padding: 10px 0 60px; /* Minimal padding-top, relying on body padding for header offset */
      background: linear-gradient(135deg, #1a1a1a, #000000);
      min-height: 60vh;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-fe-88__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.3;
    }

    .page-fe-88__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      text-align: center;
      padding: 20px;
      animation: fadeIn 1s ease-out;
    }

    .page-fe-88__hero-title {
      font-size: 3.5em;
      color: var(--primary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      line-height: 1.2;
    }

    .page-fe-88__hero-description {
      font-size: 1.3em;
      color: var(--light-text);
      margin-bottom: 30px;
      line-height: 1.5;
    }

    .page-fe-88__hero-cta-button {
      display: inline-block;
      background-color: var(--accent-red);
      color: var(--light-text);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-fe-88__hero-cta-button:hover {
      background-color: #c0392b;
      transform: translateY(-3px);
    }

    /* Floating Buttons */
    .page-fe-88__floating-buttons {
      position: fixed;
      top: 50%;
      right: 15px;
      transform: translateY(-50%);
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .page-fe-88__floating-button {
      background-color: var(--primary-color);
      color: var(--dark-background);
      padding: 10px 20px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.3s ease;
      text-align: center;
      white-space: nowrap;
      border: none;
      cursor: pointer;
    }

    .page-fe-88__floating-button:hover {
      background-color: #ffd700;
      transform: scale(1.05);
    }

    /* Product Display Section */
    .page-fe-88__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-fe-88__product-item {
      background-color: #2a2a2a;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-fe-88__product-item:hover {
      transform: translateY(-10px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
    }

    .page-fe-88__product-image {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      object-fit: cover;
      display: block;
      border-bottom: 2px solid var(--primary-color);
    }

    .page-fe-88__product-title {
      font-size: 1.5em;
      color: var(--primary-color);
      margin: 20px 15px 10px;
    }

    .page-fe-88__product-description {
      color: var(--gray-text);
      font-size: 0.95em;
      padding: 0 15px;
      margin-bottom: 20px;
    }

    /* Promotions Section */
    .page-fe-88__promotion-card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-fe-88__promotion-card {
      background-color: #2a2a2a;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--border-color);
    }

    .page-fe-88__promotion-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
    }

    .page-fe-88__promotion-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      display: block;
    }

    .page-fe-88__promotion-content {
      padding: 20px;
    }

    .page-fe-88__promotion-title {
      font-size: 1.6em;
      color: var(--primary-color);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .page-fe-88__promotion-description {
      color: var(--gray-text);
      font-size: 0.9em;
      margin-bottom: 15px;
    }

    .page-fe-88__promotion-button {
      display: inline-block;
      background-color: var(--secondary-color);
      color: var(--light-text);
      padding: 10px 20px;
      border-radius: 25px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-fe-88__promotion-button:hover {
      background-color: #2a52be;
    }

    /* Why Choose Us Section */
    .page-fe-88__feature-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-fe-88__feature-item {
      background-color: #2a2a2a;
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      text-align: left;
      transition: background-color 0.3s ease;
      box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-fe-88__feature-item:hover {
      background-color: #333333;
    }

    .page-fe-88__feature-icon {
      width: 200px; /* Minimum size requirement */
      height: 200px;
      margin-bottom: 15px;
      object-fit: contain;
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-fe-88__feature-title {
      font-size: 1.4em;
      color: var(--primary-color);
      margin-bottom: 10px;
    }

    .page-fe-88__feature-description {
      color: var(--gray-text);
      font-size: 0.95em;
    }

    /* FAQ Section */
    .page-fe-88__faq-container {
      max-width: 900px;
      margin: 40px auto 0;
      text-align: left;
    }

    .page-fe-88__faq-item {
      background-color: #2a2a2a;
      margin-bottom: 15px;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
      border: 1px solid var(--border-color);
    }

    .page-fe-88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #333333;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-fe-88__faq-question:hover {
      background-color: #444444;
    }

    .page-fe-88__faq-question h3 {
      margin: 0;
      color: var(--primary-color);
      font-size: 1.2em;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-fe-88__faq-toggle {
      font-size: 1.8em;
      color: var(--primary-color);
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent span from blocking click on parent */
    }

    .page-fe-88__faq-item.active .page-fe-88__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - visual */
    }

    .page-fe-88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Initial padding */
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--gray-text);
    }

    .page-fe-88__faq-item.active .page-fe-88__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px !important; /* Expanded padding */
      opacity: 1;
    }

    .page-fe-88__faq-answer p {
      margin: 0 0 10px 0;
    }

    .page-fe-88__faq-answer p:last-child {
      margin-bottom: 0;
    }

    /* Payment Methods Section */
    .page-fe-88__payment-methods-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 40px;
    }

    .page-fe-88__payment-item {
      background-color: #2a2a2a;
      border-radius: 10px;
      padding: 20px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      text-align: center;
      flex: 0 0 auto; /* Prevent stretching */
      min-width: 120px;
      max-width: 150px;
      transition: transform 0.3s ease;
    }

    .page-fe-88__payment-item:hover {
      transform: translateY(-5px);
    }

    .page-fe-88__payment-logo {
      width: 100px;
      height: auto;
      object-fit: contain;
      margin-bottom: 10px;
    }

    .page-fe-88__payment-name {
      color: var(--primary-color);
      font-weight: bold;
      font-size: 0.9em;
    }

    /* Game Providers Section */
    .page-fe-88__providers-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 40px;
    }

    .page-fe-88__provider-item {
      background-color: #2a2a2a;
      border-radius: 10px;
      padding: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      text-align: center;
      flex: 0 0 auto;
      min-width: 100px;
      max-width: 140px;
      transition: transform 0.3s ease;
    }

    .page-fe-88__provider-item:hover {
      transform: translateY(-5px);
    }

    .page-fe-88__provider-logo {
      width: 90px;
      height: auto;
      object-fit: contain;
      margin-bottom: 8px;
    }

    .page-fe-88__provider-name {
      color: var(--primary-color);
      font-weight: bold;
      font-size: 0.85em;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-fe-88__hero-title {
        font-size: 3em;
      }
      .page-fe-88__hero-description {
        font-size: 1.1em;
      }
      .page-fe-88__section-title {
        font-size: 2em;
      }
    }

    @media (max-width: 768px) {
      .page-fe-88 {
        padding: 0 10px;
      }
      .page-fe-88__hero-section {
        padding-bottom: 40px;
      }
      .page-fe-88__hero-title {
        font-size: 2.5em;
      }
      .page-fe-88__hero-description {
        font-size: 1em;
      }
      .page-fe-88__hero-cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }
      .page-fe-88__section {
        padding: 30px 0;
      }
      .page-fe-88__section-title {
        font-size: 1.8em;
      }
      .page-fe-88__section-subtitle {
        font-size: 1em;
      }

      /* Floating buttons for mobile */
      .page-fe-88__floating-buttons {
        flex-direction: row;
        width: 100%;
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;
        transform: none;
        justify-content: center;
        padding: 10px 0;
        background-color: rgba(0, 0, 0, 0.8);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 -4px 8px rgba(0, 0, 0, 0.3);
        gap: 10px;
      }

      .page-fe-88__floating-button {
        flex: 1;
        max-width: 150px;
        padding: 8px 15px;
        font-size: 0.9em;
      }

      /* List item responsive requirements */
      .page-fe-88__product-grid,
      .page-fe-88__promotion-card-grid,
      .page-fe-88__feature-list {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 20px;
      }

      .page-fe-88__product-item,
      .page-fe-88__promotion-card,
      .page-fe-88__feature-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-fe-88__product-description,
      .page-fe-88__promotion-description,
      .page-fe-88__feature-description {
        word-break: break-word !important;
      }

      .page-fe-88__faq-container {
        padding: 0 10px;
      }

      .page-fe-88__faq-question {
        padding: 12px 15px;
      }

      .page-fe-88__faq-question h3 {
        font-size: 1.1em;
      }

      .page-fe-88__faq-toggle {
        font-size: 1.5em;
      }

      .page-fe-88__faq-answer {
        padding: 0 15px;
      }

      .page-fe-88__faq-item.active .page-fe-88__faq-answer {
        padding: 15px !important;
      }

      .page-fe-88__payment-item,
      .page-fe-88__provider-item {
        min-width: 100px;
        max-width: 120px;
        padding: 15px;
      }

      .page-fe-88__payment-logo,
      .page-fe-88__provider-logo {
        width: 80px;
      }
    }

    @media (max-width: 480px) {
      .page-fe-88__hero-title {
        font-size: 2em;
      }
      .page-fe-88__hero-description {
        font-size: 0.9em;
      }
      .page-fe-88__floating-buttons {
        gap: 5px;
        padding: 8px 0;
      }
      .page-fe-88__floating-button {
        max-width: 120px;
        padding: 6px 10px;
        font-size: 0.8em;
      }
      .page-fe-88__section-title {
        font-size: 1.5em;
      }
      .page-fe-88__product-image,
      .page-fe-88__promotion-image {
        height: 180px;
      }
    }

    /* Animations */
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.03); }
      100% { transform: scale(1); }
    }
    .page-fe-88__hero-cta-button {
      animation: pulse 2s infinite ease-in-out;
    }